. >>> one day before president obama kicks off his push for immigration reform in las vegas, a group of democratic and republican senators, including marco rubio, are unveiling their own. the bipartisan plan offers a path to residency, even citizenship, for millions of immigrants who are in the united states illegally. it also calls for an employment verification system that prevents identity theft and would add hiring of unauthorized workers in the future. >>> for the past four years, president obama and secretary of state hillary clinton have shared the world stage and a few laughs, but laughs were few and far between when both were running for president. >> while i was working on those streets, you were a corporate lawyer sitting on the board of walmart. >> you were practicing law and representing your contributors resco in his slum landlord business in inner city chicago. >> ouch, ouch, ouch. what a difference an election makes. president obama, of course, he won the nomination. clinton won his confidence. and now the president has nothing but praise for the woman who could somed